403530465 has 16 divisors (see below), whose sum is σ = 695314368. Its totient is φ = 198661056.

The previous prime is 403530419. The next prime is 403530467. The reversal of 403530465 is 564035304.

It is not a de Polignac number, because 403530465 - 2⁶ = 403530401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403530467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034499 + ... + 1034888.

It is an arithmetic number, because the mean of its divisors is an integer number (43457148).

Almost surely, 2^403530465 is an apocalyptic number.

It is an amenable number.

403530465 is a deficient number, since it is larger than the sum of its proper divisors (291783903).

403530465 is a wasteful number, since it uses less digits than its factorization.

403530465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069408.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 403530465 is about 20088.0677268870. The cubic root of 403530465 is about 738.9676772997.

Adding to 403530465 its reverse (564035304), we get a palindrome (967565769).

The spelling of 403530465 in words is "four hundred three million, five hundred thirty thousand, four hundred sixty-five".